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DBMS > JSqlDb vs. LevelDB vs. SQL.JS vs. Titan

System Properties Comparison JSqlDb vs. LevelDB vs. SQL.JS vs. Titan

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Editorial information provided by DB-Engines
NameJSqlDb  Xexclude from comparisonLevelDB  Xexclude from comparisonSQL.JS  Xexclude from comparisonTitan  Xexclude from comparison
JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.Titan has been decommisioned after the takeover by Datastax. It will be removed from the DB-Engines ranking. A fork has been open-sourced as JanusGraph.
DescriptionJavaScript Query Language Database, stores JavaScript objects and primitivesEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesPort of SQLite to JavaScriptTitan is a Graph DBMS optimized for distributed clusters.
Primary database modelDocument store
Object oriented DBMS
Key-value storeRelational DBMSGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.33
Rank#111  Overall
#19  Key-value stores
Score0.53
Rank#246  Overall
#115  Relational DBMS
Websitejsqldb.org (offline)github.com/­google/­leveldbsql.js.orggithub.com/­thinkaurelius/­titan
Technical documentationgithub.com/­google/­leveldb/­blob/­main/­doc/­index.mdsql.js.org/­documentation/­index.htmlgithub.com/­thinkaurelius/­titan/­wiki
DeveloperKonrad von BackstromGoogleAlon Zakai infoenhancements implemented by othersAurelius, owned by DataStax
Initial release2018201120122012
Current release0.8, December 20181.23, February 2021
License infoCommercial or Open SourceOpen SourceOpen Source infoBSDOpen SourceOpen Source infoApache license, version 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++JavaScriptJava
Server operating systemsLinux
macOS
Windows
Illumos
Linux
OS X
Windows
server-less, requires a JavaScript environment (browser, Node.js)Linux
OS X
Unix
Windows
Data schemeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or datenonoyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nonono
Secondary indexesnonoyes
SQL infoSupport of SQLnonoyes infoSQL-92 is not fully supportedno
APIs and other access methodsJavaScript APIJava API
TinkerPop Blueprints
TinkerPop Frames
TinkerPop Gremlin
TinkerPop Rexster
Supported programming languagesJavaScriptC++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
JavaScriptClojure
Java
Python
Server-side scripts infoStored proceduresfunctions in JavaScriptnonoyes
Triggersnononoyes
Partitioning methods infoMethods for storing different data on different nodesnonenonenoneyes infovia pluggable storage backends
Replication methods infoMethods for redundantly storing data on multiple nodesnonenonenoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyes infovia Faunus, a graph analytics engine
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynonoyesyes infoRelationships in graph
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infousing RocksDByes infowith automatic compression on writesno infoexcept by serializing a db to a fileyes infoSupports various storage backends: Cassandra, HBase, Berkeley DB, Akiban, Hazelcast
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlnonoUser authentification and security via Rexster Graph Server

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More resources
JSqlDbLevelDBSQL.JSTitan
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